Ba(OH)2 + K2CO3 → BaCO3 + 2 KOH – Balanced equation

Reactants:

• Ba(OH)₂
  • Names: Barium hydroxide , Caustic baryta , Barium hydroxide lime , Ba(OH)2
  • Appearance: White solid
• K₂CO₃ – Potassium carbonate
  • Other names: Carbonate of potash , Dipotassium carbonate , Sub-carbonate of potash
  • Appearance: White, hygroscopic solid ; Colourless hygroscopic crystals or hygroscopic white powder

Products:

• BaCO₃
  • Names: Barium carbonate , Witherite , Carbonic acid, barium salt (1:1)
  • Appearance: White crystals ; White crystalline powder
• 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.]