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The soluble metal salt and carbon dioxide are the substances would most likely result in the production of a solid when reacting with a base. Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
Report Abuse. in an acid-base reaction where the base is a carbonate (CO3 or bicarbonate HCO3) three products will form: water, carbon dioxide and a salt. the carbon dioxide is what you obsered with the fizzing.CaCl2 you have correctly identified as the salt.our equation is not completely right. The end products are CaCl2 and CO2. Carbon dioxide then reacts with water which is present to form carbonic acid, H2CO3.