Question

reaction of sodium bicarbonate and acetic acid

Answer 1

then it forms sodium acetate ,carbon dioxide and water
CH3COOH+NAHCO3---------CH3COONA+CO2+H2O

Answer 2

When sodium bicarbonate reacts with acetic acid the reaction is as follows:
4 NaHCO3 + 3 CH3COOH → 4 CHCOONa + 6 H2O + 2 CO2