HCO3 +Ca(OH)2
2 answers
is there a question in there somewhere?
And to go further than oobleck, you must have made a typo. That must be either HCO3^- or H2CO3. If it's H2CO3 and you want the equation it is
H2CO3 + Ca(OH)2 ==> 2H2O + CaCO3
H2CO3 + Ca(OH)2 ==> 2H2O + CaCO3