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You will need water for the reaction to take place.

CO2(g)+H2O(l)--> H2CO3(aq)

NOW IT IS BALANCED

CaOH2(s)+H2CO3(aq)

--> CaCO3(s)+2H2O(l)

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Q: How do you balance calcium hydroxide plus CO2?
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Related questions

How does molasses react with calcium Oxide?

calcium oxide react with water it forms calcium hydroxide which is available in molasses . when molasses fermented started it leaves Co2 and alcohol. this CO2 react with calcium hydroxide it form calcium carbonate. it become hard material


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The equation is Ca(OH)2 + CO2 = CaCO3 + H2O.


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In words, this equation is carbon dioxide plus calcium hydroxide gives calcium carbonate plus water. The cloudiness is the calcium carbonate which appears as a solid. The symbol equation is CO2(g) + Ca(OH)2(aq) CaCO3(s) +H2O(l)


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