CaS...TARD!
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If you mean Ca(OH)2(s) --> Ca2+(aq) + 2OH-(aq) this is the equation for the dissolving of calcium hydroxide in water.
Calcium (Ca) is element. O2 and CaO are molecules.
One possible product of each is gvien below: 1. Ca + SO3 = CaSO3 2. SbCl3 + Cl2 = SbCl5 3. N2 + 3 H2 = 2 NH3 4. S + O2 = SO2
They do not react, the Calcium cannot displace the Potassium as it is less reactive.
You have answered the question for yourself. Calcium + Chlorine = Calcium chloride. The BALANCED reaction equation is Ca(s) + Cl2(g) = CaCl2(s)
The reaction between calcium (Ca) and nitric acid (HNO3) will produce calcium nitrate (Ca(NO3)2) and hydrogen gas (H2). The balanced chemical equation for this reaction is: 3Ca + 8HNO3 → 3Ca(NO3)2 + 2NO + 4H2O.
This is the net ionic equation for the formation of calcium hydroxide, Ca(OH)2 precipitate from soluble calcium ions and soluble hydroxide ions.
The complete ionic equation for the reaction is: Ca^2+(aq) + 2NO3^-(aq) + 2K+(aq) + CO3^2-(aq) --> CaCO3(s) + 2K+(aq) + 2NO3^-(aq)
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Ca(OH )2 plus sulfuric acid yields water and CaSO4.
CaC2(s)+2H2O(l) arrow C2H2(g) + Ca(OH)2(aq)