If I restore from an iCloud Backup will my photos go back into Camera roll I an trying to sync my iPod Touch 5 to iTunes but had reset my PC. Now I need to erase everything off my iPod Touch. 

If I restore from an iCloud Backup will my photos go back into Camera roll?
Yes it will restore your photos from your camera roll

Source: http://support.apple.com/kb/PH12519?viewlocale=en_US&amp;locale=en_US