What happens when you mix vinegar and baking soda?

When vinegar and baking soda mix hydrogen ions in the vinegar react with the sodium and bicarbonate ions in the baking soda

The first reaction is acid - base reaction. When vinegar and baking soda are first mixed together, hydrogen ions in the vinegar react with the sodium and bicarbonate I is in the baking soda ... The Carbonic acid formed as a result of the first reaction immediately begins to decompose into water and carbon dioxide gas.