Baking soda (sodium bicarbonate, sodium hydrogen carbonate: NaHCO3) is a water-soluble substance that substance as bass. And also decomposition to carbon dioxide (CO2).
Vinegar (acetic acid: CH3COOH) is an organic compound as a hydrocarbon group bonded to a carboxyl group becoming a carboxylic acid. Substances an acid when dissolved in water is decomposition to H +.