Synchronize

I have two customer tables in SQL Server, but some of the field names are not the same, that I need to synchronize. Here is how they are structured: (Table 1 is old and Table 2 is new)

Table 1 (900 records)
---------------
cust_code
cust_shipto_code
cust_shipto_name
cust_email



Table 2 (700)
---------------

custcode
loccode
custname
custemail


1. First I need to find out what records exist in Table 1 but not in Table 2 and add them to Table 2.

2. Secondly, I need to then find all records in Table 1 that match the records in Table 2 and update the Email address in Table 2 with the data from Table 1.


Any suggestions on how to do this sync?