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What happens chemically when quicklime i...

What happens chemically when quicklime is added to water filled in a bucket ?

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Quicklime `(CaO)` combines with water to from slaked lime `(Ca(OH)_(2))`, the reaction is exothermic, and energy is liberated in the form of heat and sound.
`underset("(heat and sound)")(CaO(s)+H_(2)O(l))toCa(OH)_(2)(s)+"energy"`.
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