Here we start how you will able to share and take care of your post privacy settings.
Step 1: Taking care of privacy is very simple task. First you need to write or upload the post. After you have done with your post you can see a icon just beside the post icon. Now after you click that icon a popup window will show and you will have the option to choose :
Custom - to choose the people you would like to share with or you don't want to share.
Only Me - Only you can see your post.
Friends - Only your friends can see your post.
Public - Everyone in Facebook will able to see your post.
After you have selected suitable privacy for you now you can simply click post and you post will be shared with privacy as you liked it to be.