Acid + Alkali ==> Salt + Water

eg. Sulfuric acid + potassium hydroxide ==> potassium sulfate + water

   H₂SO₄(aq) + 2KOH(aq) ==> K₂SO₄(aq) + 2H₂O(l)

Note: All neutralisation equations are exothermic in nature as the net ionic reaction is the same.

H⁺(aq) + OH⁺(aq) ==> H₂O(l) ∆H = Exothermic