Which chemical reaction is 2 nabr + ca(oh)2 → cabrz + 2 naoh

Can someone me with 6 to 10 plz this is for masteries test.

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.

Write a balanced equation showing the formation of copper (ii) nitrite from its elements