Yes … you can do a one-way sync in either direction or a two-way sync.
To understand it in details read the article:
http://webyog.com/articles/Using_SQLyog_En…L_Databases.pdf
You MUST understand the basic principles of using a Primary Key with the sync before using it with improtant data.!
Also visit the FAQ http://www.webyog.com/faq
.. And try out the ENTERPRISE TRIAL for yourself. It has the restriction that it only lets you sync one table per sync, but apart form that it is fully functional. And the SJA for Linux does exactly the same thing (but is a comman line tool only .. no graphical environment to configure it)