How to pass value to the variable on click in Reactjs

Question

I beginner to React in react how to pass the value to variable from one component to another component with on click function on col the example code below

Home component:

1st column 
<Col ClassName="Hello">
   <p>Hello</p>
</Col>

2nd column 
<Col ClassName="Hi">
   <p>hi</p>
</Col>

second component: contains variable

const word= onclick value

when we click Hello column Hello should be passed to the variable word in second component likewise when we click Hi column Hi should be passed to the variable word

Answer 1

等待大神答复