Ba(OH)2 + 2 HNO3 → Ba(NO3)2 + 2 H2O – Balanced equation

Reactants:

• Ba(OH)₂
  • Names: Barium hydroxide , Caustic baryta , Barium hydroxide lime , Ba(OH)2
  • Appearance: White solid
• HNO₃ – Nitric acid
  • Other names: Aqua fortis , Spirit of niter , Eau forte
  • Appearance: Colorless, yellow or red fuming liquid ; Colourless-to-yellow liquid with pungent odour ; Colorless, yellow, or red, fuming liquid with an acrid, suffocating odor. [Note: Often used in an aqueous solution. Fuming nitric acid is concentrated nitric acid that contains dissolved nitrogen dioxide.]

Products:

• Ba(NO₃)₂
  • Names: Barium nitrate , Barium dinitrate , Barium salt
  • Appearance: White, lustrous crystals ; Colourless-to-white crystals or crystalline powder ; White, odorless solid.
• 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