The product of H2SO4 + NaOH is Na2SO4 and H2O
Explanation\
- Base react with an acid to form a salt and water
- NaOH is a base while H2SO4 is an acid therefore, NaOH react with H2SO4 to form Na2SO4(salt) and H2O according to below reaction
2NaOH +H2SO4 → Na2SO4 +2H2O