P2O5 + Ca(OH)2 + H2O → Ca(H2PO4)2

This is an acid-base reaction (neutralization): P2O5 is an acid, Ca(OH)2 is a base.

Reactants:

  • P2O5
    • Names: Phosphorus pentoxide source: wikipedia, accessed: 2019-09-27source: ICSC, accessed: 2019-09-04, Diphosphorus pentoxide source: wikipedia, accessed: 2019-09-27source: ICSC, accessed: 2019-09-04, Phosphorus(V) oxide source: wikipedia, accessed: 2019-09-27
    • Appearance: White powder | very deliquescent | odorless source: wikipedia, accessed: 2019-09-27; Hygroscopic white crystals or powder source: ICSC, accessed: 2019-09-04
  • Ca(OH)2 – Calcium hydroxide source: wikipedia, accessed: 2019-09-28source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02
    • Other names: {{ubl source: wikipedia, accessed: 2019-09-28, Slaked lime source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Calcium hydrate source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02
    • Appearance: White powder source: wikipedia, accessed: 2019-09-28; Colourless crystals or white powder source: ICSC, accessed: 2019-09-04; White, odorless powder. [Note: Readily absorbs CO2 from the air to form calcium carbonate.] source: NIOSH NPG, accessed: 2019-09-02
  • H2O – Water, oxidane source: wikipedia, accessed: 2019-09-27
    • Other names: Water (H2O) source: wikipedia, accessed: 2019-09-27, Hydrogen hydroxide (HH or HOH) source: wikipedia, accessed: 2019-09-27, Hydrogen oxide source: wikipedia, accessed: 2019-09-27
    • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas source: wikipedia, accessed: 2019-09-27

Products:

  • Ca(H2PO4)2 – Calcium dihydrogen phosphate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Other names: Monocalcium phosphate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Acid calcium phosphate source: wikipedia, accessed: 2019-09-27, Calcium acid phosphate source: wikipedia, accessed: 2019-09-27
    • Appearance: White powder source: wikipedia, accessed: 2019-09-27