Ca O + H 2 O → Ca ( O H ) 2
Reactants:
Ca O – Calcium oxide Other names: Quicklime , Burnt lime , Unslaked lime ... show more Pebble lime , Calcia , Caustic lime , Calx , Calcium monoxide , Limestone , Burned lime , Lime , Quick lime show less Appearance: White to pale yellow/brown powder ; White hygroscopic crystalline powder ; White or gray, odorless lumps or granular powder. H 2 O – Water, oxidane Other names: Water (H2O) , Hydrogen hydroxide (HH or HOH) , Hydrogen oxide ... show more Dihydrogen 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:
Ca ( O H ) 2 – Calcium hydroxide Other names: {{ubl , Slaked lime , Calcium hydrate ... show more Caustic lime , Hydrated lime , Ca(OH)2 , Hydralime , Calcium dihydroxide show less Appearance: White powder ; Colourless crystals or white powder ; White, odorless powder. [Note: Readily absorbs CO2 from the air to form calcium carbonate.]