Chemical expression of carbon dioxide + calcium hydroxide = calcium carbonate + water

Ca (OH)2+CO2+H2O=2H2O+CaCO3(sinking symbol)

Calcium hydroxide is also a solid. Why does calcium carbonate take the lead in the chemical equation for the reaction of carbon dioxide and calcium hydroxide

Since calcium hydroxide solution is generally used in the reaction, it is in solution state and not solid, so it must be marked ↓.
CO2+Ca (OH)2=CaCO3 H2O

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