When you react sulfuric acid (H₂SO₄) with sodium hydroxide (NaOH), you will get sodium sulfate (Na₂SO₄).

Here's the balanced chemical equation:

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

This is a neutralization reaction where the acid and base react to form a salt (sodium sulfate) and water.