get value from angular 5 component and pass it to h3 text inside view?

Hi

Please i try t make this task but i think i miss something -

i have an view that has one angular component (that get category from db) and some html text (not in any component) - now i need when user click on nay category @ angular competent (No 1 in image) - category name set onclick to h3 element (No 2 in Image) and that for any category

so please can i know how can i do that