2 KOH + H2SO4 → K2SO4 + 2 H2O – Balanced equation

Reactants:

• KOH – Potassium hydroxide
  • Other names: Caustic potash , Lye , Potash lye
  • Appearance: White solid, deliquescent ; White hygroscopic solid in various forms ; Odorless, white or slightly yellow lumps, rods, flakes, sticks, or pellets. [Note: May be used as an aqueous solution.]
• H₂SO₄ – Sulfuric acid
  • Other names: Oil of vitriol , Sulfuric acid, concentrated (> 51% and , H2SO4
  • Appearance: Clear, colorless liquid ; Odourless colourless oily hygroscopic liquid ; Colorless to dark-brown, oily, odorless liquid. [Note: Pure compound is a solid below 51°F. Often used in an aqueous solution.]

Products:

• K₂SO₄
  • Names: Potassium sulfate , Potassium sulphate , Dipotassium sulfate
  • Appearance: White solid ; Colourless-to-white crystals
• H₂O – Water, oxidane
  • Other names: Water (H2O) , Hydrogen hydroxide (HH or HOH) , Hydrogen oxide
  • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas