Does CO2 react with hydroxide or aluminate first

Does CO2 react with hydroxide or aluminate first

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Does aluminum ion react with metaaluminate or hydroxide first

Aluminum ion reacts with hydroxide first
It is assumed that Al3+3AlO2-+6H2O=4Al (OH)3-1 is first reacted with aluminate.
Al (OH)3+OH-=AlO2-+2H2O——2 in the presence of OH-
1)+2)*4
Al3+4OH-=AlO2-+2H2O ——
Apparently AlO2-post reaction

Aluminum ion reacts with hydroxide first
It is assumed that Al3+3AlO2-+6H2O=4Al (OH)3-1 is first reacted with aluminate.
Al (OH)3+OH-=AlO2-+2H2O-2 in the presence of OH-
1)+2)*4
Al3+4OH-=AlO2-+2H2O ——
Apparently AlO2-post reaction