Can a table salt + vinegar mixture be explosive? I remember having read in a book, Ask Me Anything (Dorling Kindersley), that a combination of copious amounts of table salt and vinegar is explosive.

Now this was a really long while back, and I can't even find my copy of the book anymore. But I'm quite sure there was a mention of salt+vinegar being explosive.

Simply knowing the composition of table salt and vinegar doesn't seem to help in any way. I really don't see any reason for some sodium, chlorine, acetate and hydrogen ions floating around in a bowl to simply react in some godforsaken way and explode. Heck, all salt+vinegar seems like is a good Pringles flavor. I did take into consideration possible impurities in table salt, like other sodium, potassium, calcium and magnesium salts, but even then, I don't see why the explosion would occur at all. I though of iodized salt too, but still, an explosion seems a little far-fetched.

Now the book did mention 'large' quantities of salt and vinegar, maybe there could be something to that?

Is the book correct? If so, what concentration of salt and vinegar have to be used? 

I did conduct an internet search, but nothing really turned up.

[ I suspect, the book might've meant baking soda instead of table-salt. Baking soda combined with vinegar in a closed plastic bottle could pass for an 'explosion'. ]
Of Course NaCl is the Salt of strong acid and strong base . It is very stable . Even if you take any amount of NaCl with Vinegar it will not do any explosion .

It may be the baking soda (NaHCO3 ) and Vinegar , As this reaction is a neutralization reaction (Exothermic) and accompanied by the formation of CO2 , If enough concentration is taken it can burst a plastic bottle on applying some pressure . 

https://www.youtube.com/watch?v=UclxSfPoapc