Question

cao react with water then form??​

Answer 1

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The reaction of calcium oxide with water will yield _____.  

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KYLEIGH MACEJKOVIC  | CERTIFIED EDUCATOR

When calcium oxide (chemical formula: CaO) reacts with water (chemical formula: H2O), the following reaction takes place:

The product of this reaction is calcium hydroxide, also known as slaked lime.

Thus, when calcium oxide reacts with water, slaked lime is produced. 

Answer 2

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When water is added to calcium oxide (quicklime), it will be converted to calcium hydroxide (slaked lime) with the liberation of enormous amount of heat.

    CaO + H2O = > Ca(OH)2 + heat

It is an exothermic reaction. Calcium hydroxide is an alkali.

I hope its help for you!