Calcium hydroxide – Wikipedia, the free encyclopedia.
Properties[edit]
When heated to 512 °C, the partial pressure of water in equilibrium with calcium hydroxide reaches 101 kPa, which decomposes calcium hydroxide into calcium oxide and water.[3]
Ca(OH)2 → CaO + H2O
A suspension of fine calcium hydroxide particles in water is called milk of lime.
The solution is called limewater and is a medium strength base that reacts with acids and attacks many metals.
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Limewater turns milky in the presence of carbon dioxide due to formation of calcium carbonate, a process called carbonatation:
Ca(OH)2 + CO2 → CaCO3 +
MILK OF LIME, EH ! REMINDS ME OF THE MOVIE ‘ROMANCING THE STONE’ :~)
Live~NRGY 
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