You should explain what problem you are facing now. But read this FAQ:
http://www.webyog.com/faq/content/23/18/en…ion-denied.html
so most important
1) create 'someuser'@'%' with what privileges you want ('%' means 'any host').
2) ensure that firewall systems etc allows for remote connections and set up port forwarding in your router if you have such.