2 BF₃ + 3 H₂O → B₂O₃ + 6 HF

Reactants:

• BF₃
  • Names: Boron trifluoride , Boron fluoride , Trifluoroborane ... show moreBortrifluorid , Trifluoroboron , [BF3] , BF3 show less
  • Appearance: Colorless gas (anhydrous) | colorless liquid (dihydrate) ; Colourless compressed gas with pungent odour. forms white fumes in moist air ; Colorless gas with a pungent, suffocating odor. [Note: Forms dense white fumes in moist air. Shipped as a nonliquefied compressed gas.]
• H₂O – Water, oxidane
  • Other names: Water (H2O) , Hydrogen hydroxide (HH or HOH) , Hydrogen oxide ... show moreDihydrogen monoxide (DHMO) (systematic name) , Hydrogen monoxide , Dihydrogen oxide , Hydric acid , Hydrohydroxic acid , Hydroxic acid , Hydrol , Μ-oxido dihydrogen , Κ1-hydroxyl hydrogen(0) show less
  • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas

Products:

• B₂O₃
  • Names: Boron trioxide , Boron oxide , Diboron trioxide ... show moreBoron sesquioxide , Boric oxide , Boria , Boric anhydride , B2O3 show less
  • Appearance: White, glassy solid ; White hygroscopic powder or granules ; Colorless, semitransparent lumps or hard, white, odorless crystals.
• HF – Fluorane
  • Other names: Hydrogen fluoride , Hydrofluoric acid , Fluorhydric acid ... show moreHydronium fluoride , Hydrofluoric acid (70% aqueous solution) , Hydrofluoric acid, anhydrous , Anhydrous hydrogen fluoride , Aqueous hydrogen fluoride , HF-A show less
  • Appearance: Colourless gas or colourless liquid (below 19.5 °C) ; Colorless solution ; Colourless gas or colourless fuming liquid with pungent odour ; Colourless fuming liquid with pungent odour ; Colorless gas or fuming liquid (below 67°F) with a strong, irritating odor. [Note: Shipped in cylinders.]